Base | Representation |
---|---|
bin | 10001111000100010011100 |
3 | 22211011202200 |
4 | 101320202130 |
5 | 2200004103 |
6 | 244251500 |
7 | 54563502 |
oct | 21704234 |
9 | 8734680 |
10 | 4688028 |
11 | 2712204 |
12 | 16a0b90 |
13 | c81aa7 |
14 | 8a0672 |
15 | 6290a3 |
hex | 47889c |
4688028 has 18 divisors (see below), whose sum is σ = 11850384. Its totient is φ = 1562664.
The previous prime is 4688017. The next prime is 4688069. The reversal of 4688028 is 8208864.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 130223 = 4688028 / (4 + 6 + 8 + 8 + 0 + 2 + 8).
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 4687983 and 4688001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65076 + ... + 65147.
Almost surely, 24688028 is an apocalyptic number.
It is an amenable number.
4688028 is an abundant number, since it is smaller than the sum of its proper divisors (7162356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4688028 is a wasteful number, since it uses less digits than its factorization.
4688028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130233 (or 130228 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 36.
The square root of 4688028 is about 2165.1854424044. The cubic root of 4688028 is about 167.3645210286.
The spelling of 4688028 in words is "four million, six hundred eighty-eight thousand, twenty-eight".
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